1. Taw qhia
Ua tsaug rau kev yuav khoomasing the VOLT PLUS TECH PRO Touch Wireless Earbuds. This manual provides detailed instructions on how to set up, operate, and maintain your new earbuds. Please read this manual carefully before use to ensure optimal performance and longevity of your device.
These earbuds feature Bluetooth 5.3 connectivity, a digital LED display charging case with a 2,000mAh power bank, IPX4 water resistance, 9D noise reduction, and quad microphones for clear calls.
2. Cov ntsiab lus ntawm pob
Thov kos lub pob rau cov khoom hauv qab no:
- PRO Touch Wireless Earbuds (Left and Right)
- Charging Case with Digital LED Display
- USB-C Charging Cable
- Cov neeg siv phau ntawv
- Lub Pob Ntseg (Me, Nruab Nrab, Loj)
3. Khoom Tshajview
Familiarize yourself with the components of your PRO Touch Wireless Earbuds.

Daim duab 3.1: PRO Touch Wireless Earbuds in their charging case, displaying battery levels on the LED screen.
The charging case features a digital LED display that shows the battery percentage of the case and the individual earbuds. The earbuds are designed for a secure and comfortable fit, with touch controls for various functions.

Daim duab 3.2: Earbuds and case highlighting key features like Bluetooth V5.3, noise reduction, and water resistance.
The earbuds are equipped with Bluetooth 5.3 for stable connectivity, CVC 8.1 intelligent noise reduction, and an IPX4 waterproof nano-coating, making them suitable for various activities.
4. Kev teeb tsa thiab siv thawj zaug
4.1. Them lub mloog pob ntseg thiab Case
Ua ntej siv thawj zaug, them tag nrho lub mloog pob ntseg thiab cov ntaub ntawv them nyiaj.
- Place both earbuds into the charging case. Ensure they are correctly seated; the LED indicators on the earbuds will light up.
- Connect the USB-C charging cable to the charging port on the case and the other end to a USB power source (e.g., wall adapter, computer USB port).
- The digital LED display on the case will show the charging status and battery percentage.
- Once fully charged, the display will indicate 100%. Disconnect the charging cable.

Daim duab 4.1: The charging case can also function as a power bank to charge your mobile device.
The charging case has a 2,000mAh battery, providing up to 20+ hours of additional charge for the earbuds, extending total play time to 25+ hours. It can also be used to charge other small devices via its USB-C port.
4.2. Pairing nrog koj ntaus ntawv
The earbuds support automatic pairing for convenience.
- Hwj chim On: Remove both earbuds from the charging case. They will automatically power on. A blue indicator light will flash to confirm. If they do not power on automatically, press and hold the touch area on each earbud for 3-5 seconds until the blue indicator light flashes.
- Ua kom Bluetooth: On your mobile device (e.g., smartphone, tablet), go to the Bluetooth settings and ensure Bluetooth is turned on.
- Nrhiav thiab Txuas: Nrhiav rau available Bluetooth devices. You should find "YD03" in the list. Select "YD03" to pair.
- Kev lees paub: Once successfully connected, the earbuds will provide a voice prompt stating "Connected".

Daim duab 4.2: Earbuds automatically connect to your device upon removal from the case.
The earbuds feature a complete binaural separation design, allowing for free switching between single or dual earbud operation.
5. Cov lus qhia ua haujlwm
The PRO Touch Wireless Earbuds utilize touch controls for various functions.

Daim duab 5.1: Touch control functions for music playback, call management, and voice assistant activation.
| Muaj nuj nqi | Kev ua |
|---|---|
| Hwj chim On | Remove from charging case (automatic) or press and hold touch area for 3-5 seconds. |
| Fais fab tuag | Place back into charging case (automatic) or press and hold touch area for 5-7 seconds. |
| Ua si/Pause Music | Single touch on either earbud. |
| Tom ntej no Nkauj | Double touch on the right earbud. |
| Previous Nkauj | Double touch on the left earbud. |
| Volume Up | Triple touch on the right earbud. |
| Volume Down | Triple touch on the left earbud. |
| Teb / Xaus Hu | Single touch on either earbud. |
| Tsis kam hu | Press and hold touch area for 2 seconds. |
| Qhib Lub Suab Assistant (Siri / Google Assistant) | Press and hold touch area for 1 second. |
The earbuds provide clear sound for music at 120Hz and phone calls at 150Hz, enhanced by CVC 8.1 noise reduction technology.
6. Kev tu thiab tu
Proper care will extend the life of your earbuds.
- Ntxuav: Siv ib daim ntaub mos, qhuav, tsis muaj lint los ntxuav lub pob ntseg thiab cov ntaub ntawv them nyiaj. Tsis txhob siv cov tshuaj hnyav lossis cov khoom siv abrasive.
- Dej tsis kam: The earbuds have an IPX4 waterproof nano-coating, protecting them from splashes and sweat. They are ideal for running, yoga, and gym activities. Lus Cim: Cov ntaub ntawv them nyiaj tsis muaj dej tsis zoo. Avoid exposing the charging case to water or excessive moisture.
- Cia: Thaum tsis siv, khaws lub mloog pob ntseg hauv lawv cov ntaub ntawv them nyiaj los tiv thaiv lawv thiab ua kom lawv them. Khaws rau hauv qhov chaw txias, qhuav kom deb ntawm qhov kub thiab txias.
- Kev kho roj teeb: Yuav kom lub roj teeb siv tau ntev, tsis txhob muab lub mloog pob ntseg thiab lub thawv tso kom puv tas li. Muab lub roj teeb rov qab them tas li, txawm tias tsis siv ntev los xij.
7. Kev daws teeb meem
Yog tias koj ntsib teeb meem nrog koj lub earbuds, xa mus rau cov kev daws teeb meem hauv qab no:
| Teeb meem | Ua Tau / Kev daws teeb meem |
|---|---|
| Lub mloog pob ntseg tsis qhib. |
|
| Lub mloog pob ntseg tsis txuas nrog lub cuab yeej. |
|
| Tsuas yog ib lub pob ntseg ua haujlwm xwb. |
|
| Tsawg ntim lossis suab tsis zoo. |
|
| Charge case tsis them. |
|
8. Cov lus qhia tshwj xeeb
| Feature | Paub meej |
|---|---|
| Qauv Lub Npe | F9 |
| Hom | VOLT PLUS TECH |
| Connectivity Technology | Bluetooth Wireless 5.3 |
| Wireless Kev Sib Txuas Lus Technology | Bluetooth |
| Lub mloog pob ntseg Jack | USB-C |
| Compatible Devices | Xiaomi Redmi A2 (and other Bluetooth-enabled devices) |
| Tswj hom | Media Control, Kov |
| Tsis Siv Neeg Tswj | Active Noise Cancellation (CVC 8.1) |
| Dej Resistance Level | IPX4 Water Resistant (Earbuds only) |
| Charge Case Battery Capacity | 2,000 mAh |
| Tag Nrho Sijhawm Ua Si | Up to 25+ Hours (with charging case) |
| Earbud Play Time | 5+ Hours (single charge) |
| Zaus teb | 48000 KHz |
| Impedance | 25.94 awm |
| Yam Nyhav | 4 ooj |
| Khoom Dimensions | 1.5 x 1 x 1.5 po |
| Khoom siv | Hi-Impact Plastic, Stainless Steel, Titanium |
| Xim | Dub |
9. Warranty thiab Support
For warranty information and technical support, please refer to the product packaging or contact the manufacturer directly. Keep your purchase receipt as proof of purchase for any warranty claims.
Manufacturer: VOLT PLUS TECH
For further assistance, please visit the official VOLT PLUS TECH website lossis tiv tauj lawv cov neeg siv khoom.